101402245442 has 8 divisors (see below), whose sum is σ = 154973243196. Its totient is φ = 49744497712.

The previous prime is 101402245421. The next prime is 101402245447. The reversal of 101402245442 is 244542204101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 85404802081 + 15997443361 = 292241^2 + 126481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (101402245447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478312373 + ... + 478312584.

Almost surely, 2^101402245442 is an apocalyptic number.

101402245442 is a deficient number, since it is larger than the sum of its proper divisors (53570997754).

101402245442 is an equidigital number, since it uses as much as digits as its factorization.

101402245442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956625012.

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 101402245442 its reverse (244542204101), we get a palindrome (345944449543).

The spelling of 101402245442 in words is "one hundred one billion, four hundred two million, two hundred forty-five thousand, four hundred forty-two".